DESIGN OF NONLINEAR OBSERVERS FOR FAULT-DIAGNOSIS - A CASE-STUDY

Authors
ZOLGHADRI A HENRY D MONSION M
Citation
A. Zolghadri et al., DESIGN OF NONLINEAR OBSERVERS FOR FAULT-DIAGNOSIS - A CASE-STUDY, Control engineering practice, 4(11), 1996, pp. 1535-1544
Citations number
12
Categorie Soggetti
Controlo Theory & Cybernetics","Robotics & Automatic Control
Journal title
Control engineering practice → ACNP
ISSN journal
09670661
Volume
4
Issue
11
Year of publication
1996
Pages
1535 - 1544
Database
ISI
SICI code
0967-0661(1996)4:11<1535:DONOFF>2.0.ZU;2-M
Abstract
This paper deals with the application of two nonlinear observer-based fault detection and isolation schemes to a laboratory hydraulic instal lation under digital control. Both methods employ a bank of observers in order to isolate different faults. Residual generators are develope d which take into account system nonlinearities, model uncertainties a nd disturbances. Practical results demonstrate that faults can be succ essfully detected and isolated.